Cach 3 Fl

Use 7_1 and 2_4, fill in middle with 10 numbers ( 0, 1,2,3,4,5,6,7,8,9) to get 10 tickets. Then flip them: 1_7, 4_1, and also fill the middle with 10 numbers to get another 10 tickets. Play Straight, every game for 10 games. Sooner than that you will hit $500 win.